A groundbreaking study from Stanford University has challenged the long-held belief that aging happens steadily over time.

Every step you take depends on a structure most people rarely think about. The pelvis sits at the center of the body and ...

Fear has a scent. Here’s how this invisible chemical signal has shaped human perceptions, emotions and survival instincts.

The new evolutionary study found two main reasons for the primate anomaly: to attract mates and to threaten rivals.

Modern comforts promise ease, yet a growing body of research suggests our bodies are still tuned for a very different world. Instead of thriving, many of us are developing chronic illnesses, fertility ...

You don't have to be a genius: anemones have been using human genes to form their bodies for 600 million years.

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study by Upama Aich at the University of Western Australia and colleagues, ...

Scientists now have proof that horses are able to pick up on human fear through scent, not just by observing human body ...